ATE74374T1 - METHOD OF MANUFACTURING FLUORESCENT UMBRELLAS. - Google Patents

METHOD OF MANUFACTURING FLUORESCENT UMBRELLAS.

Info

Publication number
ATE74374T1
ATE74374T1 AT87201778T AT87201778T ATE74374T1 AT E74374 T1 ATE74374 T1 AT E74374T1 AT 87201778 T AT87201778 T AT 87201778T AT 87201778 T AT87201778 T AT 87201778T AT E74374 T1 ATE74374 T1 AT E74374T1
Authority
AT
Austria
Prior art keywords
umbrellas
manufacturing fluorescent
fluorescent
manufacturing
phosphor
Prior art date
Application number
AT87201778T
Other languages
German (de)
Inventor
Wolfgang Busselt
Ewald Klein
Ralf Dr Raue
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of ATE74374T1 publication Critical patent/ATE74374T1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/20—Manufacture of screens on or from which an image or pattern is formed, picked up, converted or stored; Applying coatings to the vessel
    • H01J9/22—Applying luminescent coatings
    • H01J9/221—Applying luminescent coatings in continuous layers
    • H01J9/224—Applying luminescent coatings in continuous layers by precipitation
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Formation Of Various Coating Films On Cathode Ray Tubes And Lamps (AREA)
  • Luminescent Compositions (AREA)

Abstract

An increased packing density is achieved for a phosphor screen produced by sedimentation by adding ammonium nitrate to the phosphor suspension and/or to the electrolyte solution.
AT87201778T 1986-09-20 1987-09-17 METHOD OF MANUFACTURING FLUORESCENT UMBRELLAS. ATE74374T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863632050 DE3632050A1 (en) 1986-09-20 1986-09-20 METHOD FOR THE PRODUCTION OF FLUORESCENT LAMPS
EP87201778A EP0261732B1 (en) 1986-09-20 1987-09-17 Process for manufacturing phosphor screens

Publications (1)

Publication Number Publication Date
ATE74374T1 true ATE74374T1 (en) 1992-04-15

Family

ID=6310014

Family Applications (1)

Application Number Title Priority Date Filing Date
AT87201778T ATE74374T1 (en) 1986-09-20 1987-09-17 METHOD OF MANUFACTURING FLUORESCENT UMBRELLAS.

Country Status (4)

Country Link
EP (1) EP0261732B1 (en)
JP (1) JP2632867B2 (en)
AT (1) ATE74374T1 (en)
DE (2) DE3632050A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934976A (en) * 1988-12-22 1990-06-19 North American Philips Corporation Method of screeing projection tube incorporating interference filter
JPH097517A (en) * 1995-06-21 1997-01-10 Sony Corp Manufacture of cathode-ray tube

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5922971A (en) * 1982-07-30 1984-02-06 Hitachi Ltd Fluorescent paint composition

Also Published As

Publication number Publication date
JPS63121228A (en) 1988-05-25
DE3777933D1 (en) 1992-05-07
DE3632050A1 (en) 1988-03-24
JP2632867B2 (en) 1997-07-23
EP0261732A2 (en) 1988-03-30
EP0261732A3 (en) 1989-08-09
EP0261732B1 (en) 1992-04-01

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